москва близорукость операция лазер стоимость безопасность

Distinguish three degrees Б.: weak - up to 3 dioptries, average - from 3 up to 6 dioptries and high - more than 6 dioptries. Allocate as special disease heavy, or progressing, Б., at a cut there are changes in environments of an eye and on eye day. Complications of such kind Б. can be отслойка a mesh environment, a haemorrhage in environments of an eye, etc., resulting{bringing} to significant downturn of sight and even to blindness. Подробнее...

It is necessary to take into account and such fact. That the refraction of an eye never happens a constant, does not allow to write out the exact recipe on glasses. It is no wonder, that some people and do not manage to pick up glasses to which their eyes would reconcile. Inconstancy of a refraction results, besides to that discrepancy which we can observe in the statistical data on prevalence of those or other kinds of infringement of sight. Подробнее...